A _____________________ produces an electric signal when struck by photons.
a. |
dynode |
|
b. |
photomultiplier tube |
|
c. |
Czerny-Turner Monochromator |
|
d. |
Tungsten Lamp |
Photomultiplier tube produces an electric signal when struck by the photons.
(A) : Dynode is an electrode in a vacuum tube, serves as an electron multiplier through secondary emission.
(B) : Photomultiplier tube: Useful for detection of light at very weak signals and is a photoemissive device that ejects electron after the absorption of protons.
(C): Czerny-Turner monochromator: Spatially separates polychromatic light into series of monochromatic rays.
(D): Tungsten lamp: employed as the source of Visible light
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